Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.5 - Adding and Subtracting Unlike Fractions - Exercise Set - Page 273: 52

Answer

$\frac{1}{12}$

Work Step by Step

$\frac{7}{30}-\frac{3}{20} $ The LCD is 60 $\frac{7}{30}\times\frac{2}{2}-\frac{3}{20}\times\frac{3}{3}$ $\frac{14}{60}-\frac{9}{60}$ $\frac{14-9}{60}$ $\frac{5}{60}$ Simplify $\frac{1}{12}$
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